diff --git a/mkspecs/features/warnings.pri b/mkspecs/features/warnings.pri
index cba6b8699..4a20beb89 100644
--- a/mkspecs/features/warnings.pri
+++ b/mkspecs/features/warnings.pri
@@ -10,9 +10,6 @@ win32-msvc*:QMAKE_CXXFLAGS_WARN_ON *= /wd4351 /wd4661
 # elevated warnings
 # win32-msvc*:QMAKE_CXXFLAGS_WARN_ON *= /Wall /wd4640 /wd4619 /wd4350 /wd4351 /wd4946 /wd4510 /wd4820 /wd4571 /wd4625 /wd4626 /wd4127
 
-# noisy warning in std <functional> header of MSVC2015 (QTBUG-50108)
-win32-msvc2015:QMAKE_CXXFLAGS_WARN_ON -= -w34100
-
 # gcc 5 can warn about missing override keyword
 g++ {
     GCC_VERSION = $$system($$QMAKE_CXX -dumpversion)